Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
HTNM2
Latitude
38.87610 N
Longitude
76.82670 W
Elevation
-
Listed
Automatically, on 312 reports in 169 hours over the last seven days
Rank
626of 736 in Maryland, Oct 16
Observed
6:00 AMEDT, 1 hour ago
Precipitation this hour
0in
Precipitation today
0in

Ranking Statistics

On the radar over Southwest Branch 1 S Truman Drive/LargoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 33 instruments in Maryland stand at one.

Station charts

Southwest Branch 1 S Truman Drive/Largo Report

Rank 626 of 736 in Maryland, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

Ranking Statistics

247 score76.2of 100

Maryland median
89.0the median score of 736 stations
Scoring higher
623stations in Maryland
Sharing its score
3ranks 624 to 626
Points deducted
23.820.9 reports received, 1.4 continuity, 0.8 forecast check, 0.6 arrival, 0.2 accuracy
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Maryland median 99.0, 100.0, 92.1
Next above
MD-MG-1rank 625; ahead on reports received 42.8% against 40.2%
Next below
CW1662rank 627; behind on 247 score 76.2 against 76.1

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

  1. Reports receivedweight 3540.314.1 of 35 pointsMaryland median 82.1312 of 775 scheduled reports received in 7 days
  2. Arrivalweight 1094.39.4 of 10 pointsMaryland median 94.0half its reports arrived within 13 min
  3. Continuityweight 1086.48.6 of 10 pointsMaryland median 100.0longest silence 60 min, on a schedule of one report every 13 min
  4. Accuracyweight 20-19.8 of 20 points, at the medianMaryland median 99.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianMaryland median 100.0-
  6. Forecast checkweight 10-9.2 of 10 points, at the medianMaryland median 92.1-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 10 min, none at 60 min
Continuity
Full marks for a longest silence of 3 reports or less (39 min), none for 72 (15.6 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F
Rank
626of 736 in Maryland, Oct 16
Schedule
every 12 minon the hour's :00 and :50
Reports received, 24 hours
47 of 12039.1% of its schedule
Reports received, 7 days
349 of 84041.5% of its schedule, 360 reports in all
Days reported, 30 days
30 of 30
Longest silence, 7 days
1 hourfrom Oct 15, 9:00 PM
Latest report
Oct 16, 2:00 AMlocal time
Time to reach Storm Station
13 min9 in 10 within 18 min

From Storm Station's own record of every report it heard from this station.

Its schedule is one report every 12 min, 120 in 24 hours. Two reports in the same 12 min count as one received.

Chart of the 736 ranked stations in Maryland on Oct 16 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 4; 10 to 19 per cent, 20; 20 to 29 per cent, 27; 30 to 39 per cent, 11; 40 to 49 per cent, 62; 50 to 59 per cent, 96; 60 to 69 per cent, 107; 70 to 79 per cent, 36; 80 to 89 per cent, 35; 90 to 99 per cent, 183; 100 per cent, 155. Southwest Branch 1 S Truman Drive/Largo received 40.2 per cent, 312 of 775 scheduled reports, rank 626 of 736.WHERE IT RANKS IN MARYLAND, Oct 16THIS ONE: 40.2%, 312 OF 775, RANK 626 OF 736PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9410 to 192020 to 292730 to 391140 to 496250 to 599660 to 6910770 to 793680 to 893590 to 99183100155STATIONS, LOG SCALE
Chart of Southwest Branch 1 S Truman Drive/Largo's rank in Maryland by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 365 of 399; 2026-09-27 rank 334 of 402; 2026-09-28 rank 390 of 418; 2026-09-29 rank 396 of 424; 2026-09-30 rank 395 of 424; 2026-10-01 rank 397 of 426; 2026-10-02 rank 484 of 540; 2026-10-03 rank 483 of 540; 2026-10-04 rank 459 of 564; 2026-10-05 rank 576 of 686; 2026-10-06 rank 593 of 702; 2026-10-07 rank 582 of 729; 2026-10-08 rank 574 of 731; 2026-10-09 rank 659 of 733; 2026-10-10 rank 661 of 733; 2026-10-11 rank 433 of 725; 2026-10-12 rank 636 of 728; 2026-10-13 rank 567 of 726; 2026-10-14 rank 580 of 727; 2026-10-15 rank 623 of 723; 2026-10-16 rank 626 of 736.ITS RANK IN MARYLAND, DAY BY DAYRANK, FIRST AT THE TOP1200400600800Sep 26Sep 30Oct 4Oct 8Oct 12Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%155
90 to 99%183
80 to 89%35
70 to 79%36
60 to 69%107
50 to 59%96
40 to 49%62
30 to 39%11
20 to 29%27
10 to 19%20
0 to 9%4
DayRankStations rankedShare received
Oct 16, 202662673640.2%
Oct 15, 202662372340.1%
Oct 14, 202658072751.3%
Oct 13, 202656772651.1%
Oct 12, 202663672839.8%
Oct 11, 202643372557.8%
Oct 10, 202666173334.9%
Oct 9, 202665973334.9%
Oct 8, 202657473150.0%
Oct 7, 202658272950.4%
Oct 6, 202659370250.5%
Oct 5, 202657668650.4%
Oct 4, 202645956467.6%
Oct 3, 202648354050.6%
Oct 2, 202648454050.5%
Oct 1, 202639742635.5%
Sep 30, 202639542436.2%
Sep 29, 202639642436.9%
Sep 28, 202639041838.2%
Sep 27, 202633440269.5%
Sep 26, 202636539952.1%
Precipitation at Southwest Branch 1 S Truman Drive/Largo, precipitation from 0.00 to 0.04, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.109 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM
Reports received at Southwest Branch 1 S Truman Drive/Largo, reports from 0.0 to 3.0, the latest 0.0, in reports.REPORTS RECEIVEDreports01239 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Fri 16, 6 AM0.003
Fri 16, 5 AM0.003
Fri 16, 4 AM0.003
Fri 16, 3 AM0.003
Fri 16, 2 AM0.003
Fri 16, 1 AM0.043
Precipitation at Southwest Branch 1 S Truman Drive/Largo, precipitation from 0.00 to 0.04, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Southwest Branch 1 S Truman Drive/Largo, reports from 0.0 to 12.0, the latest 0.0, in reports.REPORTS RECEIVEDreports051015Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Fri 16, 6 AM0.003
Fri 16, 5 AM0.003
Fri 16, 4 AM0.003
Fri 16, 3 AM0.003
Fri 16, 2 AM0.003
Fri 16, 1 AM0.043
Precipitation at Southwest Branch 1 S Truman Drive/Largo, precipitation from 0.00 to 1.30, the latest 0.04, in inches.PRECIPITATIONin0.000.501.001.50Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayPrecipitation in
Oct 160.04
Oct 150.00
Oct 140.00
Oct 130.00
Oct 120.27
Oct 111.30
Oct 100.00
Oct 90.00
Oct 80.00
Oct 70.00
Oct 60.00
Oct 50.00
Oct 40.16
Oct 30.31
Oct 20.32
Oct 10.00
Sep 300.00
Sep 290.00
Sep 280.00
Sep 270.20
Sep 260.39
Sep 250.00
Sep 240.00
Sep 230.39
Sep 220.75
Sep 210.16
Sep 200.00
Sep 190.00
Sep 180.00
Sep 170.04

The instrumentWhat an instrument is FB-INS-001

What it seesMoon and tides FB-CLK-003Hurricane FB-EVT-043Nor'easter FB-EVT-066Flash flood FB-EVT-100Coastal flood FB-EVT-105

Near Southwest Branch 1 S Truman Drive/Largo

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